It takes a long time to turn on and while its warming up it makes a high pitched squeeling noise. After you wait awhile you can turn the channel and the picture pops up, but its got a yellowish tint to it. During movies if something blows up, or theres a lot going on, the screen will go black and you have to turn the channel to get it back on. Its only about 4 years old and I dont want to go buy a new TV if its something in-expensive to fix. Any help would be most appreciated! Thanks.
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your bulb is going out/ or the balast. and possibly the color boads on the inside as well. to figure out which it is take each one out on by one and turn it on. then try another till you determine which it is
Ur high voltage FBT the flyback tranformer,a big black block of plastic with a gray wire connected to a board.The cap it dead.The FBT it useally it dead too,arching noise FBT not holding the high voltage.
This is most likely the death song of the main power supply. They normally operate at frequencies well above the audible range but certain components in the process of failing can cause their oscillating frequency to shift downward into normal hearing range.
squealing you are hearing is from a dying 'switched mode' power supply and
is normally caused by a ferrite-core transformer running at the wrong frequency
and complaining about it. The
problem with them is almost certain to be caused by failed or failing
electrolytic capacitors (cheap to replace) but continued attempted
operation could cause further damage. This
problem is common enough that any half-way competent tech with a capacitance
meter could weed out the culprits pretty quick. I'm
tempted to suggest you get these repaired if they were otherwise satisfactory
since the our later sets too often seem to only survive the warranty. If
I was doing the repair, I would give you an estimate of under $75. US